• Definition for "heterosphere"
    • top of the the main atmosphere, above about…
    • View More
  • Etymologically Related for "heterosphere"

heterosphere definition

  • noun:
    • top of the the main atmosphere, above about sixty kilometers, by which there was great variation in its composition.
29 votes

How would you define heterosphere?

All the definitions on AZdictionary were written by people just like you. Now's your chance to add your own!